<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    request作用域中的值：
    ${requestScope.names},
    ${requestScope.age}  <br/>
    session作用域中的值：
    ${sessionScope.names},
    ${sessionScope.age}<br/>
    role的值：
   ${sessionScope.role.roleName}

</body>
</html>
